The reason for this is that guys start puberty later than girls and therefore take longer before they reach full adulthood.
o ok im also 5'11" n im 19... my dad is 6'3" he he had a growth spurt when he was 20 lol hope i get it too lol
i think the average is about 17-20. or something, im 15 and 5-11 and i think im still growing o_O
well i heard that..guys stop growing around the age of 19 ...
Between 20 and 25 for a guy and slightly younger for women.
You never stop growing it just stops being drastic. :>
Well I'm 18 and 6'4" I should be done growing tho.